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ASUS PRIME B840M-A-CSM | AM5 | B840 Chipset | Micro ATX | DDR5

AM5B840 ChipsetMicro ATXDDR5
Original price was: R2999,00.Current price is: R2499,00.

ASUS PRIME B840M-A-CSM: The foundation for your next-gen AMD Ryzen build.

AM5 | B840 Chipset | Micro ATX | DDR5
  • ⚡ Unlock peak performance with support for the latest AMD Ryzen 7000, 8000, and 9000 series processors.
  • 💎 Streamlined building process with SafeSlot Core+, Q-LED Core, and a pre-mounted I/O shield.
  • 🛡️ Built for reliability with ASUS quality and backed by a 3-Year Local Warranty.

Perfect for gamers and creators seeking a robust, future-ready AMD AM5 platform.

  • Official Stock & Full Warranty
  • Expert Support & Technical Help
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Overview

The ASUS PRIME B840M-A-CSM motherboard serves as a robust and reliable platform for your high-performance AMD Ryzen desktop system. Engineered with the AMD B840 chipset and the versatile AM5 socket, it is meticulously designed to harness the power of AMD Ryzen 7000, 8000, and 9000 series processors. This Micro ATX board offers a balanced blend of essential features and user-friendly design elements, making it an excellent choice for enthusiasts and builders who demand stability, performance, and ease of use. Whether you are assembling a new gaming rig, a powerful workstation for content creation, or upgrading an existing setup, the PRIME B840M-A-CSM provides the core infrastructure for a seamless computing experience. Its thoughtful layout and ASUS’s commitment to quality ensure that your system will not only perform at its best today but also remain a dependable component for years to come. The inclusion of modern connectivity and support for the latest memory standards positions this motherboard as a smart investment for a future-proof build.

Key Features & Benefits

  • Next-Gen Processor Support: Fully compatible with AMD Ryzen 7000, 8000, and 9000 series desktop processors, ensuring access to the latest CPU performance advancements for gaming and productivity.
  • 💡 Advanced BIOS Management: BIOS Flashback allows for convenient BIOS updates without needing a CPU installed, simplifying compatibility upgrades and troubleshooting.
  • 🌐 High-Speed Networking: Equipped with Realtek 2.5Gb Ethernet, providing significantly faster and more reliable network performance for online gaming, streaming, and large file transfers.

Performance & Best Use Cases

The ASUS PRIME B840M-A-CSM is engineered to deliver consistent and reliable performance for a wide range of demanding applications. Its robust VRM design, coupled with comprehensive cooling solutions, ensures that your AMD Ryzen processor can operate at its peak efficiency without thermal throttling, even under sustained heavy loads. The support for high-speed DDR5 memory further boosts overall system responsiveness, benefiting everything from gaming frame rates to application loading times.

  • Best For: Gamers, content creators, and power users looking for a stable and performant platform for AMD Ryzen processors.
  • Use Case: Building a compact yet powerful Micro ATX gaming PC, a versatile workstation, or a high-end home theater PC.
  • Practical Advantage: Enjoy reduced system bottlenecks with PCIe 4.0 support and faster data throughput, leading to quicker game loads and smoother multitasking.
  • Why Choose It: Combines ASUS’s renowned build quality and user-centric features with the latest AMD platform technology for a dependable and high-value build.

Connectivity, Cooling & Power

This motherboard prioritizes essential connectivity and thermal management to ensure your system runs optimally. It offers a generous array of USB ports, including high-speed USB 10Gbps and USB Type-C, facilitating seamless connection of all your peripherals. For cooling, ASUS Fan Xpert 2+ provides granular control over system fans, allowing for efficient temperature management. Power delivery is robust, designed to support the power requirements of modern Ryzen CPUs, ensuring stable operation during intensive tasks.

Compu-Fi Expert Opinion

The ASUS PRIME B840M-A-CSM stands out as a highly capable Micro ATX motherboard for the AM5 platform. Its strong support for the latest Ryzen processors, coupled with DDR5 memory and PCIe 4.0, makes it a future-proof choice for builders who want performance without compromise. The inclusion of user-friendly features like BIOS Flashback and SafeSlot Core+ simplifies the building process, making it accessible even for those new to PC assembly. With a 3-Year Local Warranty, it offers peace of mind alongside its impressive technical specifications, cementing its position as a top-tier option for a compact, high-performance AMD build.

Detailed Technical Specifications

Technical Overview
  • Brand: ASUS
    Model: PRIME B840M-A-CSM
    Product Type: Motherboard
    Socket: AM5
    Chipset: AMD B840 Chipset
    Form Factor: Micro ATX
    CPU Support: AMD Ryzen™ 9000, 8000, & 7000 Series Desktop Processors
    Memory Type: DDR5
    Memory Slots: 4 x DIMM
    Max Memory: 256GB
    Memory Speed: 7600+ MT/s (OC)
    Memory Architecture: Dual Channel DDR5
    Memory Features: ECC & Non-ECC, Un-buffered DIMM, AMD EXPO™, ASUS AEMP
    PCIe Version: PCIe 4.0
    Expansion Slots: 1 x PCIe 4.0 x16 (x16 mode), 2 x PCIe 3.0 x16 (x1 mode)
    M.2 Slots: 3 x M.2 Slots
    M.2 Slot 1 & 2: PCIe 4.0 x4 (CPU Dependent)
    M.2 Slot 3: PCIe 3.0 x4 (Chipset)
    SATA Ports: 4 x SATA 6Gb/s
    Ethernet: Realtek 2.5Gb Ethernet
    Wireless: N/A
    Bluetooth: N/A
    USB Ports (Rear): 2 x USB 10Gbps Type-A, 1 x USB 5Gbps Type-C®, 4 x USB 2.0 Type-A
    USB Ports (Front): 1 x USB 5Gbps Connector (Type-C®), 1 x USB 5Gbps Header (2 ports), 2 x USB 2.0 Headers (4 ports)
    Audio: Realtek 7.1 Surround Sound High Definition Audio CODEC
    Audio Features: Jack-detection, Multi-streaming, Front Panel Jack-retasking, Audio Shielding, Premium Audio Capacitors, Dedicated Audio PCB Layers
    Display Outputs: 2 x DisplayPort 1.4, 1 x HDMI™ 2.1
    Power Connectors: 1 x 24-pin ATX, 1 x 8-pin EATX
    Fan Headers: Multiple
    Special Features: ASUS Fan Xpert 2+, SafeSlot Core+, Q-LED Core, BIOS Flashback, ASUS LANGuard, Aura Sync Support
3 Years Local Warranty
Official Compu-Fi Stock
Weight6 kg
Dimensions40 × 34 × 14 cm
Socket

AM5

Form Factor

ATX

Memory Type

DDR5

RAM Slots

4

M.2 Slots

3

SATA Ports

4

Chipset

B840M

Platform

AMD

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ASUS PRIME B840M-A-CSM | AM5 | B840 Chipset | Micro ATX | DDR5
AM5B840 ChipsetMicro ATXDDR5
Original price was: R2999,00.Current price is: R2499,00.
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